diff --git a/smc-command/smc.c b/smc-command/smc.c
index 8a3a780..2acf9a1 100644
--- a/smc-command/smc.c
+++ b/smc-command/smc.c
@@ -97,6 +97,11 @@ void printSI8(SMCVal_t val)
     printf("%d ", (signed char)*val.bytes);
 }
 
+void printSI16(SMCVal_t val)
+{
+    printf("%d ", ntohs(*(SInt16*)val.bytes));
+}
+
 void printBytesHex(SMCVal_t val)
 {
     int i;
@@ -122,6 +127,8 @@ void printVal(SMCVal_t val)
 			printSP78(val);
 		else if (strcmp(val.dataType, DATATYPE_SI8) == 0 && val.dataSize == 1)
 			printSI8(val);
+		else if (strcmp(val.dataType, DATATYPE_SI16) == 0 && val.dataSize == 2)
+			printSI16(val);
 
         printBytesHex(val);
     }
diff --git a/smc-command/smc.h b/smc-command/smc.h
index 8f4312d..f19179e 100644
--- a/smc-command/smc.h
+++ b/smc-command/smc.h
@@ -44,6 +44,7 @@
 #define DATATYPE_UINT32       "ui32"
 #define DATATYPE_SP78         "sp78"
 #define DATATYPE_SI8          "si8 "
+#define DATATYPE_SI16         "si16"
 
 typedef struct {
     char                  major;